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ID:36515985
大小:1.71 MB
页数:60页
时间:2019-05-11
《电磁兼容实验室测试能力验证方法研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、北京交通大学硕士学位论文电磁兼容实验室测试能力验证方法研究姓名:杭晨哲申请学位级别:硕士专业:环境工程指导教师:周克生20071201北京交通人学硕十学位论文ABSTRACTABSTRACT:ThevalidationofthetestingabilityofEMClaboratoriescansolvetheproblemoftestdatadiscrepanciesamonglaboratories.WhereasthereferencestotheEMCvalidationarescarce.thisthesisemphaticallyanalyzesthemainprocedu
2、reandmethodsappliedintheradiationinterferencefieldstrengthtestandtheradiationdisturbancepowertest.Theproceduresandmethodsofvalidationcontainthedisturbancegeneratorstabilityvalidation,dataprocessmethodsanduncertaintylimitsassessment.Thedisturbancegeneratorstabilityvalidationinvolvesthecalculation
3、methodsoftypeAuncertainty,bywhichthegeneratoriSrepeatedlymeasuredandthestandarddeviationiscalculated;thestatisticscalculationisparticularlyemphasizedinthedataprocessmethods;theuncertaintylimitsassessingisappliedbythecalculationmethodsoftypeBuncertaintytocalculatethecombineduncertaintylimits.Inth
4、eradiationinterferencefieldstrengthtest,afterchoosingthetheoreticalfieldstrengthexpressionsofdipoleantenna,aprogramiswrotetocalculatethewarpoffieldstrengthintroducedbythereceivingdistanceandtheheightoftransmittingantenna,thenstandarddeviationandsimilardistributiontypesCanbeascertained.Moreover,t
5、heprogrammentionedaboveisalsousedtocalculatethedifferenceintheabstractnormalizedsiteattenuationoflOmand3monopenfield.Intheradiationdisturbancepowertest,themodelofabsorbingclampisqualitativelyanalyzed.Theeffectsofthesecondaryabsorbingclampandthedistancebetweentheleadundertestandthewalloftheshield
6、roomareanalyzedbythedataandthemodel.Afterwardsadeducedconclusionabouttheeffectsoffactorsisgiven.Thisthesisappliesthevalidationmethodstothetestresultsprocessingandtheuncertaintylimitsassessmentinthetwodifferenttypesoftestsmentionedabove,SOstandardresultsanduncertaintylimitsarecalculated.Finally,t
7、heresultofthevalidationoftestingabilityofEMClaboratoriesisgiven.KEYWORDS:EMC;Validationofthetestingability;Uncertainty;Radiationinterferencefieldstrength;DisturbancepowerCLASSNo:TN06;TB973¨l学位论文版权使用授权书本学位论文作者完全了解北京交通大学有关保留、使
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